diff --git a/ext/pcntl/config.m4 b/ext/pcntl/config.m4
index 50dfd354e8e..148f1f11467 100644
--- a/ext/pcntl/config.m4
+++ b/ext/pcntl/config.m4
@@ -7,7 +7,7 @@ if test "$PHP_PCNTL" != "no"; then
   AC_CHECK_FUNCS([fork], [], [AC_MSG_ERROR([pcntl: fork() not supported by this platform])])
   AC_CHECK_FUNCS([waitpid], [], [AC_MSG_ERROR([pcntl: waitpid() not supported by this platform])])
   AC_CHECK_FUNCS([sigaction], [], [AC_MSG_ERROR([pcntl: sigaction() not supported by this platform])])
-  AC_CHECK_FUNCS([getpriority setpriority wait3 wait4 sigwaitinfo sigtimedwait unshare rfork])
+  AC_CHECK_FUNCS([getpriority setpriority wait3 wait4 sigwaitinfo sigtimedwait unshare rfork forkx])
 
   AC_MSG_CHECKING([for siginfo_t])
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
diff --git a/ext/pcntl/pcntl.c b/ext/pcntl/pcntl.c
index 54ed5c4b90e..645b211952b 100644
--- a/ext/pcntl/pcntl.c
+++ b/ext/pcntl/pcntl.c
@@ -46,6 +46,10 @@
 #include <sched.h>
 #endif
 
+#ifdef HAVE_FORKX
+#include <sys/fork.h>
+#endif
+
 #ifndef NSIG
 # define NSIG 32
 #endif
@@ -364,6 +368,11 @@ void php_register_signal_constants(INIT_FUNC_ARGS)
 	REGISTER_LONG_CONSTANT("RFTHREAD",	RFTHREAD, CONST_CS | CONST_PERSISTENT);
 #endif
 #endif
+
+#ifdef HAVE_FORKX
+	REGISTER_LONG_CONSTANT("FORK_NOSIGCHLD", FORK_NOSIGCHLD, CONST_CS | CONST_PERSISTENT);
+	REGISTER_LONG_CONSTANT("FORK_WAITPID", FORK_WAITPID, CONST_CS | CONST_PERSISTENT);
+#endif
 }
 
 static void php_pcntl_register_errno_constants(INIT_FUNC_ARGS)
@@ -1551,6 +1560,49 @@ PHP_FUNCTION(pcntl_rfork)
 #endif
 /* }}} */
 
+#ifdef HAVE_FORKX
+/* {{{ proto bool pcntl_forkx(int flags)
+   More elaborated version of fork with the following settings.
+   FORK_WAITPID: forbid the parent process to wait for multiple pid but one only
+   FORK_NOSIGCHLD: SIGCHLD signal ignored when the child terminates */
+PHP_FUNCTION(pcntl_forkx)
+{
+	zend_long flags;
+	pid_t pid;
+
+	ZEND_PARSE_PARAMETERS_START(1, 2)
+		Z_PARAM_LONG(flags)
+	ZEND_PARSE_PARAMETERS_END();
+
+	if (flags < FORK_NOSIGCHLD || flags > FORK_WAITPID) {
+		zend_argument_value_error(1, "must be FORK_NOSIGCHLD or FORK_WAITPID");
+		RETURN_THROWS();
+	}
+
+	pid = forkx(flags);
+
+	if (pid == -1) {
+		PCNTL_G(last_error) = errno;
+		switch (errno) {
+			case EAGAIN:
+			php_error_docref(NULL, E_WARNING, "Maximum process creations limit reached\n");
+		break;
+			case EPERM:
+			php_error_docref(NULL, E_WARNING, "Calling process not having the proper privileges\n");
+		break;
+			case ENOMEM:
+			php_error_docref(NULL, E_WARNING, "No swap space left\n");
+		break;
+		default:
+			php_error_docref(NULL, E_WARNING, "Error %d", errno);
+		}
+	}
+
+	RETURN_LONG((zend_long) pid);
+}
+#endif
+/* }}} */
+
 static void pcntl_interrupt_function(zend_execute_data *execute_data)
 {
 	pcntl_signal_dispatch();
diff --git a/ext/pcntl/pcntl.stub.php b/ext/pcntl/pcntl.stub.php
index a6b7552c935..d668b4d0662 100644
--- a/ext/pcntl/pcntl.stub.php
+++ b/ext/pcntl/pcntl.stub.php
@@ -83,3 +83,7 @@ function pcntl_unshare(int $flags): bool {}
 #ifdef HAVE_RFORK
 function pcntl_rfork(int $flags, int $signal = 0): int{}
 #endif
+#
+#ifdef HAVE_RFORK
+function pcntl_forkx(int $flags): int{}
+#endif
diff --git a/ext/pcntl/pcntl_arginfo.h b/ext/pcntl/pcntl_arginfo.h
index b513510286d..4caaff2bcff 100644
--- a/ext/pcntl/pcntl_arginfo.h
+++ b/ext/pcntl/pcntl_arginfo.h
@@ -125,6 +125,12 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_rfork, 0, 1, IS_LONG, 0)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, signal, IS_LONG, 0, "0")
 ZEND_END_ARG_INFO()
 #endif
+	
+#if defined(HAVE_FORKX)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_pcntl_forkx, 0, 0, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO(0, flags, IS_LONG, 0)
+ZEND_END_ARG_INFO()
+#endif
 
 
 ZEND_FUNCTION(pcntl_fork);